Home / 1,215,691,398,290.70-1,823,472,873,580.70-398,756,535,441.52

Finding the Fourth Proportional to 1,215,691,398,290.70, 1,823,472,873,580.70 and 398,756,535,441.52

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Solution

The fourth proportional to 1,215,691,398,290.70, 1,823,472,873,580.70 and 398,756,535,441.52 is: 598,113,737,222.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,691,398,290.70 : 1,823,472,873,580.70 = 398,756,535,441.52 : x
  2. Step 2: Convert to fraction form
    1,215,691,398,290.70/1,823,472,873,580.70 = 398,756,535,441.52/x
  3. Step 3: Cross multiply
    1,215,691,398,290.70x = 1,823,472,873,580.70 × 398,756,535,441.52
  4. Step 4: Simplify right side
    1,215,691,398,290.70x = 727,121,725,540,632,685,969,408
  5. Step 5: Solve for x
    x = 727,121,725,540,632,685,969,408/1,215,691,398,290.70
  6. Step 6: Final answer
    x = 598,113,737,222.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.